How do I name a host in a FusionInsight cluster?

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A host name can contain digits 0-9, letters a-z (lowercase and uppercase), and hyphens (-), but cannot contain only digits. The host name must be unique.

Other related questions:
Host naming rule in a FusionInsight cluster
A host name can contain digits 0-9, letters a-z (lowercase and uppercase), and hyphens (-), but cannot contain only digits. The host name must be unique.

Host rack naming rule in FusionInsight clusters
n FusionInsight cluster, the rack name consists of letters, digits, and underscores (_), and the maximum length is 200 characters. The name format is /level1/level2/..., for example, /default/rack0. The rack name must comply with the actual network topology represented by level. The levels are separated by slashes (/).

What are the requirements on host names in a FusionInsight cluster?
A host name can contain digits 0-9, letters a-z (lowercase and uppercase), and hyphens (-), but cannot contain only digits. The host name must be unique.

How Do I Locate the Cause If the Host Name Is Different From the VM Name for Creating a VM on ServiceCenter
【Product�? ManageOne ServiceCenter 【Version�? 2.X 【Question�? How do I locate the cause if the host name is different from the VM name for creating a VM on ServiceCenter? 【Answer�? When creating a VM, you need to enter Host Name and Name for the VM. Name is the VM name displayed in the ServiceCenter VM list. Host Name is the name of the host created on FusionManager. If the OS of the host is Windows, right-click the host and choose Properties from the shortcut menu to view the host name. If the OS of the host is Linux, log in to the FusionManager server. The part before "@" is the host name. To change the host name of a VM, you need to configure VM specifications. After VM specifications are configured, the initial random password and computer name customization functions are enabled after a VM is created. By default, you cannot customize the host name. The VM created from the template uses the initial password that is manually set. The initial password is not generated randomly. After VM specifications are configured, you can customize the host name, but the initial password of the VMs is randomly generated. ----End

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